'Challenge your teammates to the Watt Bike Challenge from England Rugby Sevens' 

Tags: England Rugby , rugby 7s , RUGBY FIT , SKILLS AND DRILLS , ENGLAND RUGBY SEVENS , watt bike

SEE ALSO: U.S.Marines , box , popsugar fitness , zumbafitness , gl , review , Aamir Khan , I.G.Model , thighs , kal